(19)
(11) EP 2 951 260 A1

(12)

(43) Date of publication:
09.12.2015 Bulletin 2015/50

(21) Application number: 14745617.2

(22) Date of filing: 23.01.2014
(51) International Patent Classification (IPC): 
C09K 3/14(2006.01)
H01L 21/304(2006.01)
(86) International application number:
PCT/US2014/012691
(87) International publication number:
WO 2014/120541 (07.08.2014 Gazette 2014/32)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 30.01.2013 US 201313754413

(71) Applicant: Cabot Microelectronics Corporation
Aurora, Illinois 60504 (US)

(72) Inventors:
  • FU, Lin
    Aurora, IL 60504 (US)
  • GRUMBINE, Steven
    Aurora, IL 60504 (US)
  • STENDER, Matthias
    Aurora, IL 60504 (US)

(74) Representative: Trueman, Lucy Petra 
Barker Brettell LLP 100 Hagley Road
Edgbaston Birmingham B16 8QQ
Edgbaston Birmingham B16 8QQ (GB)

   


(54) CHEMICAL-MECHANICAL POLISHING COMPOSITION CONTAINING ZIRCONIA AND METAL OXIDIZER